68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package logic
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import "testing"
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// TestResolveSort_WhitelistHit 白名单命中的列应原样返回，方向按 asc/desc 归一。
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func TestResolveSort_WhitelistHit(t *testing.T) {
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wl := map[string]string{"created_at": "created_at", "usage_count": "usage_count"}
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col, dir := resolveSort("created_at", "asc", wl, "id desc")
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if col != "created_at" || dir != "asc" {
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t.Fatalf("hit asc: got (%q,%q)", col, dir)
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}
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// 方向大写也应被识别
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col, dir = resolveSort("usage_count", "ASC", wl, "id desc")
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if col != "usage_count" || dir != "asc" {
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t.Fatalf("hit ASC: got (%q,%q)", col, dir)
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}
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}
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// TestResolveSort_DefaultDirection 命中白名单但未给方向时，默认 desc。
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func TestResolveSort_DefaultDirection(t *testing.T) {
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wl := map[string]string{"created_at": "created_at"}
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col, dir := resolveSort("created_at", "", wl, "id desc")
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if col != "created_at" || dir != "desc" {
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t.Fatalf("default dir: got (%q,%q)", col, dir)
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}
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}
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// TestResolveSort_FallbackParsed fallback 形如 "列名 方向" 时按解析结果返回。
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func TestResolveSort_FallbackParsed(t *testing.T) {
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wl := map[string]string{"created_at": "created_at"}
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col, dir := resolveSort("", "", wl, "id desc")
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if col != "id" || dir != "desc" {
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t.Fatalf("empty sortBy fallback: got (%q,%q)", col, dir)
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}
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col, dir = resolveSort("nope", "", wl, "sort asc")
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if col != "sort" || dir != "asc" {
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t.Fatalf("unknown sortBy fallback: got (%q,%q)", col, dir)
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}
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// 只有列名、无方向时默认 desc
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col, dir = resolveSort("", "", wl, "sort")
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if col != "sort" || dir != "desc" {
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t.Fatalf("single-token fallback: got (%q,%q)", col, dir)
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}
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}
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// TestResolveSort_InjectionRejected 非法 sortBy（未在白名单）必须回落到 fallback，
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// 绝不能把用户输入拼进 ORDER BY。
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func TestResolveSort_InjectionRejected(t *testing.T) {
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wl := map[string]string{"created_at": "created_at"}
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for _, evil := range []string{
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"created_at; DROP TABLE users",
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"id)--",
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"(SELECT 1)",
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"created_at DESC, id",
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} {
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col, _ := resolveSort(evil, "asc", wl, "id desc")
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if col != "id" {
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t.Fatalf("injection %q not rejected, got col=%q", evil, col)
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}
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}
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}
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